1893430660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{20443}}^1$

素因数の和:20884

約数の個数: 48

約数和(自身を含む): 4348193472

約数和(自身を除く): 2454762812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 842, 1684, 2105, 4210, 4631, 8420, 9262, 18524, 20443, 23155, 40886, 46310, 81772, 92620, 102215, 204430, 224873, 408860, 449746, 899492, 1124365, 2248730, 4497460, 8606503, 17213006, 34426012, 43032515, 86065030, 94671533, 172130060, 189343066, 378686132, 473357665, 946715330, 1893430660]

約数ペア:

[(1, 1893430660), (2, 946715330), (4, 473357665), (5, 378686132), (10, 189343066), (11, 172130060), (20, 94671533), (22, 86065030), (44, 43032515), (55, 34426012), (110, 17213006), (220, 8606503), (421, 4497460), (842, 2248730), (1684, 1124365), (2105, 899492), (4210, 449746), (4631, 408860), (8420, 224873), (9262, 204430), (18524, 102215), (20443, 92620), (23155, 81772), (40886, 46310)]